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Set 51 — Hormones — Definition
Set 51 — Hormones — Definition
10 questions · 📖 Tutor Mode · ⏱ 15 min
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Hormones — Definition
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WAEC 2019
A hormone is best defined as a:
A.
Chemical messenger secreted by an endocrine gland directly into the blood and transported to target organs where it produces a specific effect
B.
Protein enzyme
C.
Nervous impulse
D.
Enzyme secreted into gut
E.
Vitamin
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